387 lines
11 KiB
Vue
387 lines
11 KiB
Vue
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<template>
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<div class="component-upload-image">
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<div class="upload-tip">图片比例1:1，建议尺寸为800 * 800px，支持png、jpg、gif等格式，大小2MB以内</div>
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<el-upload multiple :disabled="disabled" :action="uploadImgUrl" list-type="picture-card"
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:on-success="handleUploadSuccess" :before-upload="handleBeforeUpload" :data="data" :limit="limit"
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:on-error="handleUploadError" :on-exceed="handleExceed" ref="imageUpload" :before-remove="handleDelete"
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:show-file-list="true" :headers="headers" :file-list="fileList" :on-preview="handlePictureCardPreview"
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:class="{ hide: fileList.length >= limit }">
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<el-icon size="30px" color="red">
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<Plus />
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</el-icon>
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<div class="el-upload__text">上传图片</div>
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<!-- 自定义文件列表项 -->
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<template #file="{ file }">
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<div class="custom-upload-item">
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<img :src="file.url" class="el-upload-list__item-thumbnail" />
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<!-- 主图角标（只在第一张图片显示） -->
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<div v-if="isShowSubscript">
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<span v-if="fileList[0]?.uid === file.uid" class="main-image-badge">主图</span>
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</div>
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<!-- 自定义删除按钮（带文字） -->
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<span class="custom-delete-btn" @click.stop="handleDelete(file)">
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<el-icon>
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<Delete />
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</el-icon>
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<span>删除</span>
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</span>
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</div>
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</template>
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</el-upload>
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<div class="upload-hint">至多可上传{{ limit }}张图片</div>
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<!-- 上传提示 -->
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<!-- <div class="el-upload__tip" v-if="showTip && !disabled">
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请上传
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<template v-if="fileSize">
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大小不超过 <b style="color: #f56c6c">{{ fileSize }}MB</b>
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</template>
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<template v-if="fileType">
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格式为 <b style="color: #f56c6c">{{ fileType.join("/") }}</b>
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</template>
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的文件
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</div> -->
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<el-dialog v-model="dialogVisible" title="预览" width="800px" append-to-body>
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<img :src="dialogImageUrl" style="display: block; max-width: 100%; margin: 0 auto" />
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</el-dialog>
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</div>
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</template>
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<script setup>
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import { getToken } from "@/utils/auth"
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import { isExternal } from "@/utils/validate"
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import Sortable from 'sortablejs'
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const props = defineProps({
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modelValue: [String, Object, Array],
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// 上传接口地址
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action: {
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type: String,
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default: "/uploadApis/file/upload"
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},
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// 上传携带的参数
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data: {
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type: Object
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},
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// 图片数量限制
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limit: {
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type: Number,
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default: 5
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},
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isShowSubscript: {
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type: Boolean,
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default: true
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},
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// 大小限制(MB)
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fileSize: {
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type: Number,
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default: 5
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},
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// 文件类型, 例如['png', 'jpg', 'jpeg']
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fileType: {
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type: Array,
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default: () => ["png", "jpg", "jpeg"]
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},
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// 是否显示提示
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isShowTip: {
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type: Boolean,
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default: true
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},
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// 禁用组件（仅查看图片）
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disabled: {
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type: Boolean,
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default: false
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},
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// 拖动排序
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drag: {
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type: Boolean,
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default: true
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}
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})
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const { proxy } = getCurrentInstance()
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const emit = defineEmits()
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const number = ref(0)
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const uploadList = ref([])
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const dialogImageUrl = ref("")
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const dialogVisible = ref(false)
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const baseUrl = import.meta.env.VITE_APP_BASE_API
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const uploadImgUrl = ref(import.meta.env.VITE_APP_BASE_API + props.action) // 上传的图片服务器地址
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const headers = ref({ Authorization: "Bearer " + getToken() })
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const fileList = ref([])
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const showTip = computed(
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() => props.isShowTip && (props.fileType || props.fileSize)
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)
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watch(() => props.modelValue, val => {
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if (val) {
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// 首先将值转为数组
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const list = Array.isArray(val) ? val : props.modelValue.split(",")
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// 然后将数组转为对象数组
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fileList.value = list.map(item => {
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if (typeof item === "string") {
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if (item.indexOf(baseUrl) === -1 && !isExternal(item)) {
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item = { name: baseUrl + item, url: baseUrl + item }
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} else {
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item = { name: item, url: item }
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}
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}
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return item
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})
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} else {
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fileList.value = []
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return []
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}
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}, { deep: true, immediate: true })
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// 上传前loading加载
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function handleBeforeUpload(file) {
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let isImg = false
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if (props.fileType.length) {
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let fileExtension = ""
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if (file.name.lastIndexOf(".") > -1) {
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fileExtension = file.name.slice(file.name.lastIndexOf(".") + 1)
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}
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isImg = props.fileType.some(type => {
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if (file.type.indexOf(type) > -1) return true
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if (fileExtension && fileExtension.indexOf(type) > -1) return true
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return false
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})
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} else {
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isImg = file.type.indexOf("image") > -1
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}
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if (!isImg) {
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proxy.$modal.msgError(`文件格式不正确，请上传${props.fileType.join("/")}图片格式文件!`)
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return false
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}
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if (file.name.includes(',')) {
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proxy.$modal.msgError('文件名不正确，不能包含英文逗号!')
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return false
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}
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if (props.fileSize) {
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const isLt = file.size / 1024 / 1024 < props.fileSize
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if (!isLt) {
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proxy.$modal.msgError(`上传头像图片大小不能超过 ${props.fileSize} MB!`)
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return false
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}
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}
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proxy.$modal.loading("正在上传图片，请稍候...")
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number.value++
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}
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// 文件个数超出
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function handleExceed() {
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proxy.$modal.msgError(`上传文件数量不能超过 ${props.limit} 个!`)
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}
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// 上传成功回调
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function handleUploadSuccess(res, file) {
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if (res.code === 200) {
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uploadList.value.push({ name: res.data.name, url: res.data.url })
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uploadList.value.forEach(item => {
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item.url = "http://gov-cloud.oss-cn-chengdu.aliyuncs.com/" + item.url;
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})
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uploadedSuccessfully()
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} else {
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number.value--
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proxy.$modal.closeLoading()
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proxy.$modal.msgError(res.msg)
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proxy.$refs.imageUpload.handleRemove(file)
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uploadedSuccessfully()
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}
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}
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// 删除图片
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function handleDelete(file) {
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const findex = fileList.value.map(f => f.name).indexOf(file.name)
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if (findex > -1 && uploadList.value.length === number.value) {
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fileList.value.splice(findex, 1)
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emit("update:modelValue", listToString(fileList.value))
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return false
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}
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}
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// 上传结束处理
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function uploadedSuccessfully() {
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if (number.value > 0 && uploadList.value.length > 0) {
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fileList.value = fileList.value.filter(f => f.url !== undefined).concat(uploadList.value)
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uploadList.value = []
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number.value = 0
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emit("update:modelValue", listToString(fileList.value))
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proxy.$modal.closeLoading()
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}
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}
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// 上传失败
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function handleUploadError() {
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proxy.$modal.msgError("上传图片失败")
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proxy.$modal.closeLoading()
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}
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// 预览
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function handlePictureCardPreview(file) {
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dialogImageUrl.value = file.url
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dialogVisible.value = true
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}
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// 对象转成指定字符串分隔
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function listToString(list, separator) {
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let strs = ""
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separator = separator || ","
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for (let i in list) {
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if (undefined !== list[i].url && list[i].url.indexOf("blob:") !== 0) {
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strs += list[i].url.replace(baseUrl, "") + separator
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}
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}
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return strs != "" ? strs.substr(0, strs.length - 1) : ""
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}
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// 初始化拖拽排序
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onMounted(() => {
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if (props.drag && !props.disabled) {
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nextTick(() => {
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const element = proxy.$refs.imageUpload?.$el?.querySelector('.el-upload-list')
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Sortable.create(element, {
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onEnd: (evt) => {
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const movedItem = fileList.value.splice(evt.oldIndex, 1)[0]
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fileList.value.splice(evt.newIndex, 0, movedItem)
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emit('update:modelValue', listToString(fileList.value))
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}
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})
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})
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}
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})
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</script>
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<style scoped lang="scss">
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// .el-upload--picture-card 控制加号部分
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:deep(.hide .el-upload--picture-card) {
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display: none;
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}
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// 上传图标加号颜色
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.el-upload--picture-card>i {
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// color: #25BF82;
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}
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:deep() {
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.el-upload--picture-card:hover,
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.el-upload--picture-card:focus {
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border-color: #cdd0d6 !important;
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color: #333 !important
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}
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}
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:deep(.el-upload.el-upload--picture-card.is-disabled) {
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display: none !important;
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}
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// 上传图片样式-开始
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.upload-tip {
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color: #999;
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font-size: 12px;
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margin-bottom: 10px;
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}
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.upload-hint {
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color: #999;
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font-size: 12px;
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margin-top: 10px;
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}
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.el-upload__text {
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font-size: 12px;
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line-height: 30px;
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color: #666;
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}
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:deep(.el-upload--picture-card) {
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width: 120px;
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height: 120px;
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line-height: 100px;
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display: flex;
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justify-content: center;
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flex-direction: column;
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align-items: center;
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}
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:deep(.el-upload-dragger) {
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width: 120px;
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height: 120px;
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padding: 10px;
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display: flex;
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justify-content: center;
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flex-direction: column;
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align-items: center;
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}
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/* 完全隐藏上传按钮区域 */
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.hide-upload :deep(.el-upload--picture-card) {
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display: none !important;
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}
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/* 隐藏默认的查看按钮 */
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:deep(.el-upload-list__item-actions .el-upload-list__item-preview) {
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display: none !important;
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}
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/* 自定义删除按钮（带文字） */
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.custom-delete-btn {
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position: absolute;
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left: 0;
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right: 0;
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bottom: 0;
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height: 24px;
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display: flex;
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align-items: center;
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justify-content: center;
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font-size: 12px;
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color: white;
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background: rgba(0, 0, 0, 0.5);
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border-radius: 4px;
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cursor: pointer;
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}
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.custom-delete-btn:hover {
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background: rgba(0, 0, 0, 0.7);
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}
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.custom-delete-btn .el-icon {
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margin-right: 4px;
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font-size: 14px;
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}
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|
|
/* 调整上传卡片样式 */
|
|||
|
|
:deep(.el-upload--picture-card) {
|
|||
|
|
width: 120px;
|
|||
|
|
height: 120px;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
:deep(.el-upload-list__item),
|
|||
|
|
:deep(.el-upload-list--picture-card .el-upload-list__item) {
|
|||
|
|
width: 120px !important;
|
|||
|
|
height: 120px !important;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* 主图角标样式 */
|
|||
|
|
.main-image-badge {
|
|||
|
|
position: absolute;
|
|||
|
|
top: 0;
|
|||
|
|
right: 0;
|
|||
|
|
background: #25BF82;
|
|||
|
|
color: white;
|
|||
|
|
padding: 0 6px;
|
|||
|
|
font-size: 10px;
|
|||
|
|
border-radius: 0 4px 0 8px;
|
|||
|
|
/* 右上和左下圆角 */
|
|||
|
|
z-index: 2;
|
|||
|
|
line-height: 20px;
|
|||
|
|
}
|
|||
|
|
</style>
|